{"product_id":"crane-14-bolt-chromoly-diff-cover","title":"Crane GM 14-Bolt Chromoly Diff Cover","description":"\u003cp\u003eThe \u003cstrong\u003eCrane Axle GM 14-Bolt Chromoly Differential Cover\u003c\/strong\u003e is a heavy-duty axle upgrade built to protect your differential in extreme off-road conditions. Manufactured from heat-treated 8620 chromoly steel with a protective coating, this cover delivers exceptional strength and impact resistance for rock crawlers, rock bouncers, trail buggies, and heavy-duty off-road trucks. Its one-piece cast construction eliminates welded seams that can crack or leak, while precision CNC machining ensures proper fitment against the factory GM 14-bolt differential housing.\u003c\/p\u003e\n\u003cp\u003eDesigned with durability and serviceability in mind, the Wide Open Design 14-bolt diff cover features recessed bolt heads to help protect the mounting hardware from rocks and trail obstacles. The cover includes both metric and standard mounting hardware, allowing direct installation on compatible factory GM 14-bolt axle housings without cutting, welding, or other modifications. Whether you're building a competition buggy or upgrading a trail-driven truck, this chromoly differential cover provides serious protection for one of the most exposed components on your axle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Crane GM 14-Bolt Chromoly Differential Cover\u003c\/li\u003e\n\u003cli\u003e(14) Standard Mounting Bolts\u003c\/li\u003e\n\u003cli\u003e(14) Metric Mounting Bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e Direct bolt-on replacement for compatible factory GM 14-bolt differential housings. No axle housing modifications required. Use the appropriate mounting hardware for your axle application.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ctable class=\"custom-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eCrane Axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHeavy-Duty Differential Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAxle Platform\u003c\/th\u003e\n\u003ctd\u003eGM 14-Bolt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e8620 Chromoly Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eManufacturing Process\u003c\/th\u003e\n\u003ctd\u003eOne-Piece Cast Construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eHeat Treatment\u003c\/th\u003e\n\u003ctd\u003eHeat-Treated for Strength \u0026amp; Durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eProtective Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMachining\u003c\/th\u003e\n\u003ctd\u003ePrecision CNC-Machined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eSeamless One-Piece Design \/ No Welded Seams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDifferential Cover Bolt Count\u003c\/th\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMounting Hardware\u003c\/th\u003e\n\u003ctd\u003eMetric \u0026amp; Standard Bolts Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBolt Head Protection\u003c\/th\u003e\n\u003ctd\u003eRecessed Mounting Bolt Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInstallation Type\u003c\/th\u003e\n\u003ctd\u003eDirect Bolt-On \/ No Modifications Required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAxle Position\u003c\/th\u003e\n\u003ctd\u003eFront or Rear, Depending on Axle Configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePrimary Application\u003c\/th\u003e\n\u003ctd\u003eGM 14-Bolt Axle Protection for Rock Crawling, Rock Bouncing \u0026amp; Heavy-Duty Off-Road Builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e(1) Differential Cover with Mounting Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eDesign Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeat-treated 8620 chromoly steel for strength and impact resistance.\u003c\/li\u003e\n\u003cli\u003eOne-piece cast construction eliminates welded seams and potential weld-related leak points.\u003c\/li\u003e\n\u003cli\u003eCNC-machined mounting surfaces for precision fitment.\u003c\/li\u003e\n\u003cli\u003eRecessed mounting bolt heads help protect hardware from rocks and trail damage.\u003c\/li\u003e\n\u003cli\u003eIncludes both metric and standard mounting bolts.\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation with no cutting, welding, or axle housing modifications required.\u003c\/li\u003e\n\u003cli\u003eProtective coating helps resist corrosion and environmental exposure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003cp\u003eDesigned as a direct bolt-on differential cover for compatible factory GM 14-bolt axle housings using the standard 14-bolt cover mounting pattern.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGM 14-Bolt Axle Builds\u003c\/li\u003e\n\u003cli\u003eChevrolet \u0026amp; GMC Heavy-Duty Trucks Equipped with Compatible 14-Bolt Axles\u003c\/li\u003e\n\u003cli\u003eRock Crawlers \u0026amp; Rock Bouncers\u003c\/li\u003e\n\u003cli\u003eCustom Tube-Chassis Off-Road Buggies\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Trail Trucks\u003c\/li\u003e\n\u003cli\u003eCustom Axle Conversions Using Compatible GM 14-Bolt Housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Notes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires a compatible factory GM 14-bolt differential cover mounting pattern.\u003c\/li\u003e\n\u003cli\u003eUses 14 differential cover mounting bolts.\u003c\/li\u003e\n\u003cli\u003eBoth metric and standard mounting hardware are included.\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation without housing modifications.\u003c\/li\u003e\n\u003cli\u003eVerify the axle housing and differential cover mounting pattern before ordering.\u003c\/li\u003e\n\u003cli\u003eVehicle year, make, and model alone do not guarantee axle compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eBuilder Note:\u003c\/strong\u003e A differential cover takes direct abuse when an axle drags across rocks and ledges. The one-piece chromoly construction and recessed mounting hardware are designed to protect the differential while reducing exposed bolt heads that can become damaged during hard trail use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e\n\u003cdetails class=\"details\"\u003e\n\u003csummary class=\"details__header\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003cspan class=\"svg-wrapper icon-plus\"\u003e\u003csvg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"\u003e\u003cpath class=\"vertical\" d=\"M2.75 7H11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003cpath class=\"horizontal\" d=\"M7 2.75L7 11.25\" stroke=\"currentColor\" stroke-width=\"var(--icon-stroke-width)\" stroke-linecap=\"round\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\u003c\/span\u003e\u003c\/summary\u003e\n\u003cdiv class=\"details-content rte\"\u003e\n\u003ch3\u003eWhat is the Crane Axle 14-bolt differential cover made from?\u003c\/h3\u003e\n\u003cp\u003eThis differential cover is manufactured from heat-treated 8620 chromoly steel with a protective coating. The one-piece cast design provides heavy-duty construction without welded seams.\u003c\/p\u003e\n\u003ch3\u003eWhy use a chromoly differential cover instead of a factory cover?\u003c\/h3\u003e\n\u003cp\u003eFactory differential covers are generally designed for normal driving conditions rather than repeated contact with rocks and trail obstacles. The Crane chromoly cover provides a heavy-duty alternative with increased impact resistance, one-piece construction, and recessed mounting hardware.\u003c\/p\u003e\n\u003ch3\u003eWhat is the advantage of a one-piece cast differential cover?\u003c\/h3\u003e\n\u003cp\u003eOne-piece cast construction eliminates welded seams that could become potential leak or failure points under repeated impact. Combined with CNC-machined mounting surfaces, the design provides a strong and precise-fitting differential cover.\u003c\/p\u003e\n\u003ch3\u003eWhy are the mounting bolts recessed?\u003c\/h3\u003e\n\u003cp\u003eRecessed bolt heads help protect the mounting hardware from direct contact with rocks and other trail obstacles. This reduces the chance of damaging bolt heads during off-road use and helps maintain access to the hardware during future differential service.\u003c\/p\u003e\n\u003ch3\u003eDoes the Crane 14-bolt cover include mounting bolts?\u003c\/h3\u003e\n\u003cp\u003eYes. The cover includes 14 metric mounting bolts and 14 standard mounting bolts. Select the appropriate hardware for your axle housing during installation.\u003c\/p\u003e\n\u003ch3\u003eDoes this differential cover require welding or modifications?\u003c\/h3\u003e\n\u003cp\u003eNo. The Crane 14-bolt chromoly differential cover is designed for direct bolt-on installation on compatible factory GM 14-bolt axle housings. No cutting, welding, or housing modifications are required.\u003c\/p\u003e\n\u003ch3\u003eWill this cover fit my GM 14-bolt axle?\u003c\/h3\u003e\n\u003cp\u003eThe cover is designed for compatible GM 14-bolt axle housings using the specified 14-bolt differential cover pattern. Because GM produced multiple 14-bolt axle configurations, verify your housing and mounting pattern before ordering.\u003c\/p\u003e\n\u003ch3\u003eIs this differential cover suitable for rock bouncing and rock crawling?\u003c\/h3\u003e\n\u003cp\u003eYes. The heat-treated chromoly construction, one-piece cast design, and recessed bolt heads make it well suited for off-road vehicles that frequently encounter rocks, ledges, and other obstacles.\u003c\/p\u003e\n\u003ch3\u003eDo I need to use a gasket or sealant when installing this cover?\u003c\/h3\u003e\n\u003cp\u003eThe cover must be properly sealed against the differential housing during installation. Use the appropriate gasket or manufacturer-approved differential sealant, prepare the mating surfaces, and tighten the mounting bolts according to the axle manufacturer's specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003chr\u003e","brand":"Crane Axle","offers":[{"title":"Default Title","offer_id":67862233612653,"sku":"CA14BC","price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/1145\/3037\/files\/14-Bolt-Diff-Cover.webp?v=1793390148","url":"https:\/\/craneaxle.com\/products\/crane-14-bolt-chromoly-diff-cover","provider":"Crane Axle","version":"1.0","type":"link"}